Remove RTCAVFoundationVideoSource

tools_webrtc/ios/SDK/PodTest/PodTest/ViewController.m

 /*
  *  Copyright 2016 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #import "ViewController.h"
 #import <WebRTC/WebRTC.h>
 
 @interface ViewController ()
 @property (nonatomic, strong) RTCPeerConnectionFactory *factory;
-@property (nonatomic, strong) RTCAVFoundationVideoSource *videoSource;
+@property (nonatomic, strong) RTCVideoSource *videoSource;
 @end
 
 @implementation ViewController
 
 - (void)viewDidLoad {
   [super viewDidLoad];
   self.factory = [[RTCPeerConnectionFactory alloc] init];
-  self.videoSource = [self.factory avFoundationVideoSourceWithConstraints:nil];
+  self.videoSource = [self.factory videoSource];
 }
 
 @end